1 files changed, 158 insertions, 0 deletions
diff --git a/src/tools/rustfmt/tests/target/chains-visual.rs b/src/tools/rustfmt/tests/target/chains-visual.rs
new file mode 100644
index 000000000..76ef99a4b
--- /dev/null
+++ b/src/tools/rustfmt/tests/target/chains-visual.rs
@@ -0,0 +1,158 @@
+// rustfmt-indent_style: Visual
+// Test chain formatting.
+
+fn main() {
+    // Don't put chains on a single line if it wasn't so in source.
+    let a = b.c.d.1.foo(|x| x + 1);
+
+    bbbbbbbbbbbbbbbbbbb.ccccccccccccccccccccccccccccccccccccc
+                       .ddddddddddddddddddddddddddd();
+
+    bbbbbbbbbbbbbbbbbbb.ccccccccccccccccccccccccccccccccccccc
+                       .ddddddddddddddddddddddddddd
+                       .eeeeeeee();
+
+    // Test case where first chain element isn't a path, but is shorter than
+    // the size of a tab.
+    x().y(|| match cond() {
+           true => (),
+           false => (),
+       });
+
+    loong_func().quux(move || if true { 1 } else { 2 });
+
+    some_fuuuuuuuuunction().method_call_a(aaaaa, bbbbb, |c| {
+                               let x = c;
+                               x
+                           });
+
+    some_fuuuuuuuuunction().method_call_a(aaaaa, bbbbb, |c| {
+                               let x = c;
+                               x
+                           })
+                           .method_call_b(aaaaa, bbbbb, |c| {
+                               let x = c;
+                               x
+                           });
+
+    fffffffffffffffffffffffffffffffffff(a, {
+        SCRIPT_TASK_ROOT.with(|root| {
+                            *root.borrow_mut() = Some(&script_task);
+                        });
+    });
+
+    let suuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuum =
+        xxxxxxx.map(|x| x + 5)
+               .map(|x| x / 2)
+               .fold(0, |acc, x| acc + x);
+
+    aaaaaaaaaaaaaaaa.map(|x| {
+                        x += 1;
+                        x
+                    })
+                    .filter(some_mod::some_filter)
+}
+
+fn floaters() {
+    let z = Foo { field1: val1,
+                  field2: val2 };
+
+    let x = Foo { field1: val1,
+                  field2: val2 }.method_call()
+                                .method_call();
+
+    let y = if cond { val1 } else { val2 }.method_call();
+
+    {
+        match x {
+            PushParam => {
+                // params are 1-indexed
+                stack.push(mparams[match cur.to_digit(10) {
+                                       Some(d) => d as usize - 1,
+                                       None => return Err("bad param number".to_owned()),
+                                   }].clone());
+            }
+        }
+    }
+
+    if cond {
+        some();
+    } else {
+        none();
+    }.bar()
+     .baz();
+
+    Foo { x: val }.baz(|| {
+                      force();
+                      multiline();
+                  })
+                  .quux();
+
+    Foo { y: i_am_multi_line,
+          z: ok }.baz(|| {
+                     force();
+                     multiline();
+                 })
+                 .quux();
+
+    a + match x {
+            true => "yay!",
+            false => "boo!",
+        }.bar()
+}
+
+fn is_replaced_content() -> bool {
+    constellat.send(ConstellationMsg::ViewportConstrained(self.id, constraints))
+              .unwrap();
+}
+
+fn issue587() {
+    a.b::<()>(c);
+
+    std::mem::transmute(dl.symbol::<()>("init").unwrap())
+}
+
+fn issue_1389() {
+    let names = String::from_utf8(names)?.split('|')
+                                         .map(str::to_owned)
+                                         .collect();
+}
+
+fn issue1217() -> Result<Mnemonic, Error> {
+    let random_chars: String = OsRng::new()?.gen_ascii_chars()
+                                            .take(self.bit_length)
+                                            .collect();
+
+    Ok(Mnemonic::new(&random_chars))
+}
+
+fn issue1236(options: Vec<String>) -> Result<Option<String>> {
+    let process = Command::new("dmenu").stdin(Stdio::piped())
+                                       .stdout(Stdio::piped())
+                                       .spawn()
+                                       .chain_err(|| "failed to spawn dmenu")?;
+}
+
+fn issue1434() {
+    for _ in 0..100 {
+        let prototype_id =
+            PrototypeIdData::from_reader::<_, B>(&mut self.file_cursor).chain_err(|| {
+                format!("could not read prototype ID at offset {:#010x}",
+                        current_offset)
+            })?;
+    }
+}
+
+fn issue2264() {
+    {
+        something.function()
+                 .map(|| {
+                     if let a_very_very_very_very_very_very_very_very_long_variable =
+                         compute_this_variable()
+                     {
+                         println!("Hello");
+                     }
+                 })
+                 .collect();
+    }
+}